Peters



S. BARNES.

Brush Machine.

No. 21,464. Patented Sent. 7. 1858.

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UNITED STATES PATENT OFFICE.

STEPHEN BARNES, OF NEW HAVEN, CONNECTICUT, ASSIGNOR TO HIMSELF, HENRY S.PARSONS, AND SAMUEL ROWLAND, OF SAME PLACE.

MANUFACTURE OF BRUSHES.

Specification forming part of Letters Patent No. 21,464, dated September7 1858; Reissued December 3, 1872, Nos. 5,168 and. 5,169.

To all whom it may concern.

Be it known that I, STEPHEN BARNES, of New Haven, in the county of NewHaven and State of Connecticut, have invented a new and usefulImprovement in Making Brushes, the construction and operation of which Ihave described in the following specification and illustrated in theaccompanying drawings with suflicient clearness to enable competent andskilful workmen in the arts to which it pertains or is most nearlyallied to make and use my invention.

My said invention consists in the employ- .ment of a removable tubularblock construct-ed as described to hold the bristles in tufts asrequired for toilet brushes, as here inafter more fully set forth.

In the accompanying drawings Figure 1, is a sectional elevation of myapparatus, showing the brush in a state of completion. Fig. 2, is aperspective view of a brush when completely formed though it is not ofany of the forms in most common use for a toilet brush. Fig. 3 is a planof the apparatus. Fig. 4 is a plan of the tubular block or die with thebristles inserted and secured ready for cementing.

A is the removable block or die in which the bristles are inserted andheld while being secured on the back by cement. This block has smallholes a a as shown in Fig. 3, for the reception of the bristles in tuftsas above stated. The most convenient way of inserting the bristles is bydrawing them in with a string or wire in the same man ner that they arevery commonly drawn into a brush handle after doubling them so that theymay be taken hold of in that way. After the holes a have been filledwith bristles as shown in Fig. 4c, the block A with the bristles in itare placed upon the bed B or its equivalent, the bristles having beenfirst cut ofl the proper length to form the brush. The hoop C is thenplaced in position as shown in Figs. 1 and 3, and the cement D put in ina melted or plastic state after which it is pressed into form by meansof the follower E. The hoop C and follower E should be hot when thecement is introduced and the pressure applied; but the block A must notbe so hot as to burn or curl the bristles.

The form represented is not a very common one for toilet brushes; but ischosen for this representation on account of its simplicity and the easewith which it may be represented. Of course other forms may be made byconstructing the dies to correspond with the article required.

The cement of which I make the handle of the brush and secure thebristles is made by mixing two parts of gum shellac with one part ofBreckenridge coalthe latter pulverized and both hot when mixed, to whichis added one eighth part plumbago.

In making the brushes, suflicient pressure must be given to fill thedies with certainty and it should also be suflicient to impart a polishupon parts where the dies are polished.

It will be observed that in the construction here shown the bristles arefully supported by their ends resting upon the bed B while at the sametime the sides are so supported by the tubes as to protect them fromcrippling. By this means the bristles are made to support themselveswith suflicient firmness against the pressure to which they are exposedin the formation of the handle of the brush or in other words of thebacking of cement in which the bristles are secured.

Having thus fully described my said invention, I wish it distinctlyunderstood that I do not claim to be the first to secure bristles in aclamp or its equivalent while their tops are cemented together, for thishas already been done; but

I do claim The securing of the bristles in separate tufts in the mannerdescribed by the employment of the tubular block A or its equivalentsubstantially as herein set forth.

New Haven Ct. July 27 1858.

STEPHEN BARNES.

Vitnesses:

H. S. PARSONS, WILLIAM R. GILLETTE.

[FIRST PRINTED 1911.1

